List groups in a remote HDF5 file

Low-level helper for exploring the internal structure of a remote HDF5 file. Useful for discovering available datasets, beams, or subgroups when working outside the curated sl_columns() registry. Earthdata credentials are required (see sl_search() for setup).

Usage

sl_hdf5_groups(url, path = "/")

Arguments

url

Character. HTTPS URL of the HDF5 file.

path

Character. HDF5 group path to list (default: "/").

Value

A character vector of group/dataset names.

Examples

if (FALSE) { # interactive()
url <- paste0(
  "https://data.lpdaac.earthdatacloud.nasa.gov/lp-prod-protected/",
  "GEDI02_A.002/GEDI02_A_2020009130403_O06095_03_T02944_02_003_01_V002/",
  "GEDI02_A_2020009130403_O06095_03_T02944_02_003_01_V002.h5"
)
sl_hdf5_groups(url)
sl_hdf5_groups(url, path = "BEAM0000/geolocation")
}